Environment Canada is warning about poor air quality in southwestern Ontario because of forest fires in the northwest part of the province.&nbsp;

The weather agency is warning of "elevated particulate matter levels and hazy conditions" from Windsor to Toronto, including London and Hamilton. There are more than 100 wildfires burning in northwestern Ontario as of Monday.&nbsp;

'We need Mother Nature to help': Red Lake evacuation likely as forest fires rage on in northwestern Ontario

A full evacuation of the municipality of Red Lake due to forest fires remains likely, the mayor said Monday, following news Friday that members of Deer Lake First Nation would be fully evacuating, and residents of two other First Nations were already leaving their communities.

As wind from the north is helping to keep the fire away from Pikangikum First Nation on Sunday, officials from Environment Canada said more smoke could be drifting into the community on Monday as the wind changes direction.

Pikangikum First Nation 

More than 100 forest fires were burning in northwestern Ontario as of Monday morning.

"Reduced visibilities and deteriorating air quality are possible if the smoke descends to ground level," Environment Canada said in a statement.&nbsp;

"Wildfire smoke is a constantly-changing mixture of particles and gases which includes many chemicals that can be harmful to your health."&nbsp;

 Conditions are expected to improve later today when a cold front passes through.

People could experience increased coughing, throat irritation, headaches or shortness of breath. Kids, seniors, and those with heart or lung conditions are especially at risk.

Forest fires in northwestern Ontario have forced the evacuation of at least three communities and created poor air quality in some parts of the province. 

Southwestern Ontario hit with poor air quality from northern forest fires

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